The electronic computer is ______some of the tasks that were once accomplished by our own
A.taking on
B.taking over
C.taking off
D.taking in
A.taking on
B.taking over
C.taking off
D.taking in
Hackers can do this because ______.
A.computers are hard to reach
B.everyone has their computers locked
C.computers are not very secure
D.companies ask them to do it
The author's purpose in writing this passage is ______.
A.to stress the impact of the computer on society
B.to explain the concept of computer literacy
C.to illustrate the requirements for being competent citizens of tomorrow
D.to emphasize that computer programming is an interesting and challenging job
A.of or relating to visual art, especially involving drawing, engraving, or lettering
B.of or relating to, or denoting a visual image
A.Call Directory Assistance.
B.Know the area code.
C.Call the operator.
D.Talk to a computer.
Which of the following statements is mentioned in the passage?
A.A strict law against computer crimes must be enforced.
B.Companies usuaHy hesitate to uncover computer crimes to protect their reputa-tion.
C.Companies will guard against computer crimes to protect their reputation.
D.Companies need to impose restrictions on confidential information.
There are two character strings:s and t.s="My favor is computer",t=substr(s,9,5).Then the result after operation is
A.S="My favor is computer"; t="compu";
B.S="My favor is computer"; t="is co";
C.S="My favor"; t="is co";
D.S="My favor"; t="is computer";
下列程序的运行结果是 public static void main(String args[]){ String s = new String("Computer" ); if(s == "Computer" ) System.out.print("Equal A" ); if(s.equals("Computer" ) ) System.out.print("Equal B" ); }
A、Equal B
B、Equal A
C、Equal A Equal B
D、空白
What did the woman do?
A.She sold a computer.
B.She bought a computer.
C.She borrowed a computer.
What position does the man apply for?
A.a salesperson
B.a scientific lab technician
C.a computer programmer
Why are young mannies becoming popular in the United States?
[A] They are good at computer games.
[B] They are better trained for their jobs.
[C] They can get boys in more healthy activities.
[D] They can protect the boys like big brothers.
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